#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>

int main() {
    int n;
    int i, j;
    while (scanf("%d", &n) != EOF) {
        for (i = 0;i < n;i++) {
            for (j = 0;j < n;j++)
            {
                if (i == j || j == n - i - 1)
                    printf("*");
                else {
                    printf(" ");
                }
            }
            printf("\n");
        }
    }
    return 0;
}